/* ================================================================
 * DATEI: css/views/dashboard-view.css
 * ZWECK: Dashboard-Ansicht: Stat-Cards, Offline/Inactive/Alert-Listen,
 *        Aktivitaeten-Timeline, Alert-Detail-Modal
 * DESIGN: Refined Brass Studio - warm charcoal with brass/gold accents
 * REFERENZIERT: css/variables.css (CSS Custom Properties)
 * REFERENZIERT VON: index.html
 * ================================================================ */

/* ========== DASHBOARD CONTAINER ========== */
.dashboard-container {
    padding: var(--space-6) var(--space-6);
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
    overflow-y: auto;
    flex: 1;
}

/* ========== STAT CARDS (5 Karten) ========== */
.dashboard-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-4);
    margin-bottom: var(--space-6);
}

.dashboard-stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: var(--space-4) var(--space-5);
    display: flex;
    align-items: center;
    gap: var(--space-4);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
}

.dashboard-stat-card.clickable {
    cursor: pointer;
}

.dashboard-stat-card.clickable:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    border-color: var(--border-default);
}

.dashboard-stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.125rem;
    flex-shrink: 0;
}

.dashboard-stat-icon.total {
    background: var(--accent-primary-transparent);
    color: var(--accent-primary);
}

.dashboard-stat-icon.online {
    background: var(--success-subtle);
    color: var(--accent-success);
}

.dashboard-stat-icon.offline {
    background: var(--danger-subtle);
    color: var(--accent-danger);
}

.dashboard-stat-icon.alerts {
    background: var(--warning-subtle);
    color: var(--accent-warning);
}

.dashboard-stat-icon.inactive {
    background: var(--bg-inset);
    color: var(--text-muted);
}

.dashboard-stat-info {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.dashboard-stat-value {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1;
    letter-spacing: -0.02em;
    font-variant-numeric: tabular-nums;
}

.dashboard-stat-label {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: var(--font-xs);
    color: var(--text-muted);
    margin-top: 4px;
    white-space: nowrap;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-weight: 600;
}

/* ========== SECTIONS (3 Spalten + Full-Width) ========== */
.dashboard-sections {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-4);
}

.dashboard-section {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: border-color var(--transition-normal);
}

.dashboard-section:hover {
    border-color: var(--border-default);
}

.dashboard-section.dashboard-section-full {
    grid-column: 1 / -1;
}

.dashboard-section h3 {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: var(--font-sm);
    font-weight: 700;
    color: var(--text-primary);
    padding: var(--space-3) var(--space-4);
    border-bottom: 1px solid var(--border-subtle);
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin: 0;
    flex-shrink: 0;
}

.dashboard-section h3 i {
    color: var(--accent-primary);
    font-size: var(--font-xs);
}

.dashboard-section-count {
    margin-left: auto;
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: var(--font-xs);
    font-weight: 700;
    background: var(--bg-inset);
    color: var(--text-secondary);
    padding: 2px 8px;
    border-radius: var(--radius-pill);
    min-width: 22px;
    text-align: center;
    font-variant-numeric: tabular-nums;
}

/* ========== PLAYER LIST ========== */
.dashboard-player-list {
    max-height: 340px;
    overflow-y: auto;
    flex: 1;
}

.dashboard-player-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-2) var(--space-4);
    border-bottom: 1px solid var(--border-subtle);
    transition: background var(--transition-fast);
    cursor: pointer;
}

.dashboard-player-item:last-child {
    border-bottom: none;
}

.dashboard-player-item:hover {
    background: var(--bg-hover);
}

.dashboard-player-status {
    width: 8px;
    height: 8px;
    border-radius: var(--radius-full);
    flex-shrink: 0;
}

.dashboard-player-status.online {
    background: var(--accent-success);
    box-shadow: 0 0 6px var(--accent-success);
}

.dashboard-player-status.offline {
    background: var(--accent-danger);
    box-shadow: 0 0 6px var(--accent-danger);
}

.dashboard-player-status.warning {
    background: var(--accent-warning);
    box-shadow: 0 0 6px var(--accent-warning);
}

.dashboard-player-status.inactive {
    background: var(--text-muted);
    opacity: 0.4;
}

.dashboard-player-info {
    flex: 1;
    min-width: 0;
}

.dashboard-player-name {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: var(--font-xs);
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.dashboard-player-group {
    font-size: 0.625rem;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    letter-spacing: 0.01em;
}

.dashboard-player-meta {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: var(--font-xs);
    color: var(--text-muted);
    white-space: nowrap;
    text-align: right;
    flex-shrink: 0;
    font-variant-numeric: tabular-nums;
}

.dashboard-player-meta.muted {
    color: var(--text-muted);
    opacity: 0.5;
    font-style: italic;
}

.dashboard-player-meta .alert-badge {
    background: var(--warning-subtle);
    color: var(--accent-warning);
    padding: 2px 8px;
    border-radius: var(--radius-pill);
    font-size: 0.6875rem;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
}

/* ========== ACTIVITY LIST ========== */
.dashboard-activity-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-2) var(--space-4);
    border-bottom: 1px solid var(--border-subtle);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.dashboard-activity-item:last-child {
    border-bottom: none;
}

.dashboard-activity-item:hover {
    background: var(--bg-hover);
}

.dashboard-activity-icon {
    width: 28px;
    height: 28px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.625rem;
    flex-shrink: 0;
    background: var(--accent-primary-transparent);
    color: var(--accent-primary);
}

.dashboard-activity-info {
    flex: 1;
    min-width: 0;
}

.dashboard-activity-text {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: var(--font-xs);
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.dashboard-activity-text strong {
    font-weight: 700;
}

.dashboard-activity-sub {
    font-size: 0.625rem;
    color: var(--text-muted);
}

.dashboard-activity-time {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: var(--font-xs);
    color: var(--text-muted);
    white-space: nowrap;
    flex-shrink: 0;
    font-variant-numeric: tabular-nums;
}

/* ========== EMPTY STATES ========== */
.dashboard-empty {
    padding: var(--space-6) var(--space-4);
    text-align: center;
    color: var(--text-muted);
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: var(--font-xs);
    font-weight: 500;
}

.dashboard-empty.positive {
    color: var(--accent-success);
    opacity: 0.7;
}

.dashboard-empty i {
    font-size: 1.5rem;
    margin-bottom: var(--space-2);
    display: block;
    opacity: 0.3;
}

/* ========== ALERT DETAIL MODAL ========== */
.dashboard-alert-modal-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.65);
    backdrop-filter: blur(6px);
    z-index: 999;
}

.dashboard-alert-modal-backdrop.active {
    display: block;
}

.dashboard-alert-modal {
    display: none;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: min(900px, 90vw);
    max-height: 80vh;
    background: var(--bg-card);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    z-index: 1000;
    flex-direction: column;
    overflow: hidden;
}

.dashboard-alert-modal.active {
    display: flex;
}

.dashboard-alert-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4) var(--space-5);
    border-bottom: 1px solid var(--border-subtle);
    flex-shrink: 0;
    background: var(--bg-elevated);
}

.dashboard-alert-modal-header h3 {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: var(--font-base);
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
    padding: 0;
    border: none;
}

.dashboard-alert-modal-tabs {
    display: flex;
    gap: var(--space-1);
    padding: var(--space-2) var(--space-5);
    border-bottom: 1px solid var(--border-subtle);
    flex-shrink: 0;
    background: var(--bg-surface);
}

.alert-tab {
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-md);
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: var(--font-xs);
    font-weight: 600;
    color: var(--text-secondary);
    background: transparent;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.alert-tab:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.alert-tab.active {
    background: var(--accent-primary-transparent);
    color: var(--accent-primary);
    border-color: var(--accent-primary);
}

.dashboard-alert-modal-body {
    flex: 1;
    overflow-y: auto;
    padding: 0;
}

.dashboard-alert-modal-footer {
    display: flex;
    justify-content: flex-end;
    padding: var(--space-3) var(--space-5);
    border-top: 1px solid var(--border-subtle);
    flex-shrink: 0;
    background: var(--bg-elevated);
}

/* Alert-Detail-Tabelle */
.alert-detail-table {
    width: 100%;
    border-collapse: collapse;
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: var(--font-xs);
}

.alert-detail-table thead th {
    position: sticky;
    top: 0;
    background: var(--bg-elevated);
    padding: var(--space-2) var(--space-3);
    text-align: left;
    font-weight: 700;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-default);
    white-space: nowrap;
    z-index: 1;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    font-size: 0.625rem;
}

.alert-detail-table tbody tr {
    border-bottom: 1px solid var(--border-subtle);
    transition: background var(--transition-fast);
}

.alert-detail-table tbody tr:hover {
    background: var(--bg-hover);
}

.alert-detail-table tbody tr:last-child {
    border-bottom: none;
}

.alert-detail-table td {
    padding: var(--space-2) var(--space-3);
    color: var(--text-primary);
    vertical-align: top;
}

.alert-cell-num {
    width: 36px;
    color: var(--text-muted);
    text-align: center;
    font-variant-numeric: tabular-nums;
}

.alert-cell-user {
    white-space: nowrap;
    max-width: 140px;
    overflow: hidden;
    text-overflow: ellipsis;
    font-weight: 500;
}

.alert-cell-date,
.alert-cell-time {
    white-space: nowrap;
    color: var(--text-secondary);
    font-variant-numeric: tabular-nums;
}

.alert-cell-type {
    white-space: nowrap;
}

.alert-cell-message {
    color: var(--text-primary);
    word-break: break-word;
}

.alert-type-badge {
    display: inline-block;
    padding: 2px 10px;
    border-radius: var(--radius-pill);
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 0.625rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.alert-type-badge.alarm {
    background: var(--warning-subtle);
    color: var(--accent-warning);
}

.alert-type-badge.event {
    background: var(--accent-primary-transparent);
    color: var(--accent-primary);
}

.alert-cell-check {
    width: 32px;
    text-align: center;
}

.alert-cell-check .alert-check-input {
    width: 15px;
    height: 15px;
    accent-color: var(--accent-success);
    cursor: pointer;
}

.alert-row.checked {
    opacity: 0.45;
}

.alert-row.alarm td:first-child {
    border-left: 3px solid var(--accent-warning);
}

.alert-row.event td:first-child {
    border-left: 3px solid var(--accent-primary);
}

/* ========== RESPONSIVE ========== */
@media (max-width: 1100px) {
    .dashboard-stats {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 900px) {
    .dashboard-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    .dashboard-sections {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 600px) {
    .dashboard-stats {
        grid-template-columns: 1fr;
    }
    .dashboard-container {
        padding: var(--space-3);
    }
    .dashboard-alert-modal {
        width: 95vw;
        max-height: 85vh;
    }
    .alert-detail-table {
        font-size: 0.625rem;
    }
}